media/libjpeg/simd/jcgrass2.asm@b8a032363ba2 (annotated)
media/libjpeg/simd/jcgrass2.asm
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | ; |
| michael@0 | 2 | ; jcgrass2.asm - grayscale colorspace conversion (SSE2) |
| michael@0 | 3 | ; |
| michael@0 | 4 | ; x86 SIMD extension for IJG JPEG library |
| michael@0 | 5 | ; Copyright (C) 1999-2006, MIYASAKA Masaru. |
| michael@0 | 6 | ; Copyright (C) 2011, D. R. Commander. |
| michael@0 | 7 | ; For conditions of distribution and use, see copyright notice in jsimdext.inc |
| michael@0 | 8 | ; |
| michael@0 | 9 | ; This file should be assembled with NASM (Netwide Assembler), |
| michael@0 | 10 | ; can *not* be assembled with Microsoft's MASM or any compatible |
| michael@0 | 11 | ; assembler (including Borland's Turbo Assembler). |
| michael@0 | 12 | ; NASM is available from http://nasm.sourceforge.net/ or |
| michael@0 | 13 | ; http://sourceforge.net/project/showfiles.php?group_id=6208 |
| michael@0 | 14 | ; |
| michael@0 | 15 | ; [TAB8] |
| michael@0 | 16 | |
| michael@0 | 17 | %include "jsimdext.inc" |
| michael@0 | 18 | |
| michael@0 | 19 | ; -------------------------------------------------------------------------- |
| michael@0 | 20 | |
| michael@0 | 21 | %define SCALEBITS 16 |
| michael@0 | 22 | |
| michael@0 | 23 | F_0_114 equ 7471 ; FIX(0.11400) |
| michael@0 | 24 | F_0_250 equ 16384 ; FIX(0.25000) |
| michael@0 | 25 | F_0_299 equ 19595 ; FIX(0.29900) |
| michael@0 | 26 | F_0_587 equ 38470 ; FIX(0.58700) |
| michael@0 | 27 | F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) |
| michael@0 | 28 | |
| michael@0 | 29 | ; -------------------------------------------------------------------------- |
| michael@0 | 30 | SECTION SEG_CONST |
| michael@0 | 31 | |
| michael@0 | 32 | alignz 16 |
| michael@0 | 33 | global EXTN(jconst_rgb_gray_convert_sse2) |
| michael@0 | 34 | |
| michael@0 | 35 | EXTN(jconst_rgb_gray_convert_sse2): |
| michael@0 | 36 | |
| michael@0 | 37 | PW_F0299_F0337 times 4 dw F_0_299, F_0_337 |
| michael@0 | 38 | PW_F0114_F0250 times 4 dw F_0_114, F_0_250 |
| michael@0 | 39 | PD_ONEHALF times 4 dd (1 << (SCALEBITS-1)) |
| michael@0 | 40 | |
| michael@0 | 41 | alignz 16 |
| michael@0 | 42 | |
| michael@0 | 43 | ; -------------------------------------------------------------------------- |
| michael@0 | 44 | SECTION SEG_TEXT |
| michael@0 | 45 | BITS 32 |
| michael@0 | 46 | |
| michael@0 | 47 | %include "jcgryss2.asm" |
| michael@0 | 48 | |
| michael@0 | 49 | %undef RGB_RED |
| michael@0 | 50 | %undef RGB_GREEN |
| michael@0 | 51 | %undef RGB_BLUE |
| michael@0 | 52 | %undef RGB_PIXELSIZE |
| michael@0 | 53 | %define RGB_RED EXT_RGB_RED |
| michael@0 | 54 | %define RGB_GREEN EXT_RGB_GREEN |
| michael@0 | 55 | %define RGB_BLUE EXT_RGB_BLUE |
| michael@0 | 56 | %define RGB_PIXELSIZE EXT_RGB_PIXELSIZE |
| michael@0 | 57 | %define jsimd_rgb_gray_convert_sse2 jsimd_extrgb_gray_convert_sse2 |
| michael@0 | 58 | %include "jcgryss2.asm" |
| michael@0 | 59 | |
| michael@0 | 60 | %undef RGB_RED |
| michael@0 | 61 | %undef RGB_GREEN |
| michael@0 | 62 | %undef RGB_BLUE |
| michael@0 | 63 | %undef RGB_PIXELSIZE |
| michael@0 | 64 | %define RGB_RED EXT_RGBX_RED |
| michael@0 | 65 | %define RGB_GREEN EXT_RGBX_GREEN |
| michael@0 | 66 | %define RGB_BLUE EXT_RGBX_BLUE |
| michael@0 | 67 | %define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE |
| michael@0 | 68 | %define jsimd_rgb_gray_convert_sse2 jsimd_extrgbx_gray_convert_sse2 |
| michael@0 | 69 | %include "jcgryss2.asm" |
| michael@0 | 70 | |
| michael@0 | 71 | %undef RGB_RED |
| michael@0 | 72 | %undef RGB_GREEN |
| michael@0 | 73 | %undef RGB_BLUE |
| michael@0 | 74 | %undef RGB_PIXELSIZE |
| michael@0 | 75 | %define RGB_RED EXT_BGR_RED |
| michael@0 | 76 | %define RGB_GREEN EXT_BGR_GREEN |
| michael@0 | 77 | %define RGB_BLUE EXT_BGR_BLUE |
| michael@0 | 78 | %define RGB_PIXELSIZE EXT_BGR_PIXELSIZE |
| michael@0 | 79 | %define jsimd_rgb_gray_convert_sse2 jsimd_extbgr_gray_convert_sse2 |
| michael@0 | 80 | %include "jcgryss2.asm" |
| michael@0 | 81 | |
| michael@0 | 82 | %undef RGB_RED |
| michael@0 | 83 | %undef RGB_GREEN |
| michael@0 | 84 | %undef RGB_BLUE |
| michael@0 | 85 | %undef RGB_PIXELSIZE |
| michael@0 | 86 | %define RGB_RED EXT_BGRX_RED |
| michael@0 | 87 | %define RGB_GREEN EXT_BGRX_GREEN |
| michael@0 | 88 | %define RGB_BLUE EXT_BGRX_BLUE |
| michael@0 | 89 | %define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE |
| michael@0 | 90 | %define jsimd_rgb_gray_convert_sse2 jsimd_extbgrx_gray_convert_sse2 |
| michael@0 | 91 | %include "jcgryss2.asm" |
| michael@0 | 92 | |
| michael@0 | 93 | %undef RGB_RED |
| michael@0 | 94 | %undef RGB_GREEN |
| michael@0 | 95 | %undef RGB_BLUE |
| michael@0 | 96 | %undef RGB_PIXELSIZE |
| michael@0 | 97 | %define RGB_RED EXT_XBGR_RED |
| michael@0 | 98 | %define RGB_GREEN EXT_XBGR_GREEN |
| michael@0 | 99 | %define RGB_BLUE EXT_XBGR_BLUE |
| michael@0 | 100 | %define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE |
| michael@0 | 101 | %define jsimd_rgb_gray_convert_sse2 jsimd_extxbgr_gray_convert_sse2 |
| michael@0 | 102 | %include "jcgryss2.asm" |
| michael@0 | 103 | |
| michael@0 | 104 | %undef RGB_RED |
| michael@0 | 105 | %undef RGB_GREEN |
| michael@0 | 106 | %undef RGB_BLUE |
| michael@0 | 107 | %undef RGB_PIXELSIZE |
| michael@0 | 108 | %define RGB_RED EXT_XRGB_RED |
| michael@0 | 109 | %define RGB_GREEN EXT_XRGB_GREEN |
| michael@0 | 110 | %define RGB_BLUE EXT_XRGB_BLUE |
| michael@0 | 111 | %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE |
| michael@0 | 112 | %define jsimd_rgb_gray_convert_sse2 jsimd_extxrgb_gray_convert_sse2 |
| michael@0 | 113 | %include "jcgryss2.asm" |
